Finding the Fourth Proportional to 3,903,481.08, 5,387,369.56 and 2,249,306.38
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Solution
The fourth proportional to 3,903,481.08, 5,387,369.56 and 2,249,306.38 is: 3,104,368.76
Step by Step Solution
- Step 1: Write the proportion equation
3,903,481.08 : 5,387,369.56 = 2,249,306.38 : x - Step 2: Convert to fraction form
3,903,481.08/5,387,369.56 = 2,249,306.38/x - Step 3: Cross multiply
3,903,481.08x = 5,387,369.56 × 2,249,306.38 - Step 4: Simplify right side
3,903,481.08x = 12,117,844,722,725.79 - Step 5: Solve for x
x = 12,117,844,722,725.79/3,903,481.08 - Step 6: Final answer
x = 3,104,368.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.